Abstract
In order to improve the efficacy of modified inferior method or middle method of radiofrequency catheter ablation (RFCA) in the treatment of atrioventricular node reentrant tachycardia (AVNRT), the clinical data of 325 cases of AVNRT from March 1992 to Feb. 2000 being subjected to the treatment of RFCA were retrospectively analyzed. The results showed that the successful rate was increased and recurrence was decreased year by year. In the recent 4 years the effective rate was up to 100%. The complication of three grade of AVB occurred in 3% and recurrent rate in 9.1% before March 1996, but both of them were zero in the last 3 years. The time of RFCA procedure and X-ray exposure was significantly reduced. It was concluded that ablating more than 3 targets by modified inferior method or middle method with energy titrating and strict endpoint was the crux of obtaining satisfactory therapeutic effects and preventing recurrence.
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Schedule a callMore From: Journal of Tongji Medical University = Tong ji yi ke da xue xue bao
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